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Elastic surface wave filter

阅读:114发布:2021-12-22

专利汇可以提供Elastic surface wave filter专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain a small-capacity and programable filter by securing the propagation parallel to the direction of the cross-finger electrode and then linking the electrode of the wave receiving converter to each cross-finger electrode via the switch region. CONSTITUTION:Reflective grid 3 is formed by arraying in the propagating direction the several units of reflectors which are distributed with the 45 deg. angle to the propagating direction of the elastic surface wave generated from wave transmitting converter 2 and with the pitch space changing continuously. Then wave receiving converter 4 in which the pitch of cross-finger electrode 9 varies continuously is installed to secure the angle of 45 deg. to the arrangement direction of grid 3 and furthermore with the direction of electrode 9 set parallel to the propagating direction. Then electrode 8 of one side of converter 4 is linked to its each electrode 9 via switch region 7. In such way, a samll-capacity and programable filter can be obtained.,下面是Elastic surface wave filter专利的具体信息内容。

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